Bullitt Co Sanitation District Bullitt Hills Subdivision Wastewater Treatment Plant, Louisville, Kentucky

Bullitt Co Sanitation District Bullitt Hills Subdivision is a wastewater treatment facility located in Louisville, Kentucky, United States. The plant serves a population of 1,645 and operates under secondary treatment standards, which is the baseline requirement for municipal wastewater treatment in the United States under the Clean Water Act. The plant has a designed capacity of 1,324.89 m³/day and discharges a daily volume of 935.00 m³. As a secondary treatment facility, it uses biological processes to remove organic matter and suspended solids, meeting EPA effluent guidelines for conventional pollutants. The plant is part of the Bullitt County Sanitation District's infrastructure, which manages wastewater for the region. The treated effluent is discharged into local waterways that ultimately drain into the Ohio River, a major tributary of the Mississippi River. The Ohio River supports diverse aquatic life and serves as a drinking water source for millions. The plant's operations are regulated under the National Pollutant Discharge Elimination System (NPDES) permit program, ensuring compliance with water quality standards.

The plant discharges into the Ohio River basin, which flows into the Mississippi River and eventually the Gulf of Mexico. The Ohio River is a critical waterway for aquatic ecosystems, supporting species such as freshwater mussels and migratory fish. The plant's secondary treatment helps reduce nutrient and pollutant loads, protecting downstream water quality in this ecologically sensitive river system.